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Samsung Display’s official Weibo account recently announced a good news, that is, with its clear, fast-response and ghosting-free technology, Samsung Display has obtained the “Seamless Display” certi...[Details]

#include reg52.h #define wu P0 #define uchar unsigned char sbit wei1=P2^4; //define the first LED display sbit wei2=P2^5; //define the second LED display sbit wei3=P2^6; //define the third LED dis...[Details]

Automatic gain control circuit is formed to improve the listening effect. TL is the induction coil of the telephone listening device. It is made of several small pieces of Permalloy shee...[Details]

Input voltage range: 6.5V to 24V Output voltage: 5V Output current: 5A Output voltage ripple (peak to peak): 50mV Converter switching frequency: 300kHz Overcurr...[Details]

Overview: Materials whose linear scale in one dimension is much smaller than its other two-dimensional scales are called thin film materials. Theoretically, the thickness of thin film materials range...[Details]

Moderately complex printed circuit boards (PCBs) after production have traditionally been inspected using in-circuit testing (ICT) and functional testing. Other test methods, such as expensive optical...[Details]

Since last year, the global PC market has seen an upward trend for the first time after years of silence and decline. The main reason is that the demand for working from home brought about by the COV...[Details]

The Japanese automobile manufacturing industry, once famous for its "craftsmanship", has recently been in the midst of a crisis of trust due to frequent quality problems.   On February 18, according ...[Details]

xMEMS announces Montara Plus, second generation high-sensitivity solid-state MEMS speaker for high-resolution audiophile IEMs iFi Audio and Singularity Audio will be the launch partn...[Details]

1. First of all, it is a question of the order of soldering. When the board was made, I soldered all the components at once. It was difficult to find the cause of the problem without debugging the boa...[Details]

　　Simply put, without a crystal oscillator, there is no clock cycle. Without a clock cycle, the program code cannot be executed and the microcontroller cannot work. 　　When the microcontroller is work...[Details]

A current limit can be added to a step-down converter by using a MAX4173H current-sense amplifier to inject current into the feedback network. D1 sharpens the threshold of current limit by ...[Details]

Goertek Co., Ltd. released its 2019 semi-annual report, achieving operating revenue of 13.576 billion yuan, a year-on-year increase of 61.11%; net profit of 524 million yuan, a year-on-year increase ...[Details]

On March 26, Xinwei Communication stated on the investor interaction platform that MIM parts are key parts of folding screen hinges. The company attaches importance to and is optimistic about the dev...[Details]

If you are an auto technician, vehicle technician or auto mechanic, you may find this cheap yet powerful car battery charger circuit very handy as it can be used to charge all types of car and moto...[Details]